Search a number
-
+
78324573288412 = 221119719313025119
BaseRepresentation
bin10001110011110001011100…
…010111100011011111011100
3101021022202102011220120222001
4101303301130113203133130
540231232211230212122
6434325451235332044
722332522641053123
oct2163613427433734
9337282364816861
1078324573288412
1122a582a0781980
12894b9b1151024
133491c8b42b3b9
14154ad02a74aba
1590c6065ee527
hex473c5c5e37dc

78324573288412 has 48 divisors (see below), whose sum is σ = 157420558310400. Its totient is φ = 33723593516160.

The previous prime is 78324573288391. The next prime is 78324573288457. The reversal of 78324573288412 is 21488237542387.

It is a super-2 number, since 2×783245732884122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499212 + ... + 12525907.

It is an arithmetic number, because the mean of its divisors is an integer number (3279594964800).

Almost surely, 278324573288412 is an apocalyptic number.

It is an amenable number.

78324573288412 is an abundant number, since it is smaller than the sum of its proper divisors (79095985021988).

78324573288412 is a wasteful number, since it uses less digits than its factorization.

78324573288412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13032346 (or 13032344 counting only the distinct ones).

The product of its digits is 144506880, while the sum is 64.

The spelling of 78324573288412 in words is "seventy-eight trillion, three hundred twenty-four billion, five hundred seventy-three million, two hundred eighty-eight thousand, four hundred twelve".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 7193 14386 28772 79123 136667 158246 273334 316492 546668 1503337 3006674 6013348 13025119 26050238 52100476 143276309 247477261 286552618 494954522 573105236 989909044 2722249871 5444499742 10888999484 93689680967 187379361934 374758723868 1030586490637 1780103938373 2061172981274 3560207876746 4122345962548 7120415753492 19581143322103 39162286644206 78324573288412